Cellular civilization intro.jpg

Source: I made this image for fiction wikia using my own microscopy image and some other public domain and copyleft images.

Permission is granted to copy, distribute and/or modify this image under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. Subject to Wikicities disclaimers.